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Abstracts
March 2008, Vol. 34, No. 1

Articles
  • International Migration as a Tool in Development Policy: A Passing Phase? / Ronald Skeldon

    This essay examines the recent emergence of migration and development as a major area of policy concern. The focus up to now has been almost entirely upon international migration, which accounts for the minority of people who move. A consensus has emerged that migration can be managed so as to promote development, and the essay critically assesses three of the major areas of concern: remittances, skilled migration, and the diaspora. While welcoming the growing acceptance that migration is no longer seen as negative for development, the essay cautions against essentializing migration and placing too great a responsibility upon migrant agency at the expense of the institutional change necessary to bring about development. Internal as well as international migrations will need to be integrated into any development framework, and it is further argued that these migrations are essentially a consequence of development. Planning for migration as an outcome rather than a cause of development is likely to provide a more balanced policy approach. [34, no. 1 (Mar 08): 1–18] (offsite link*)
     
  • Variations in Kinship Networks Across Geographic and Social Space / Michael Murphy

    This article analyzes variations in interaction with non-coresident adult kin based on comparable cross-national surveys conducted in 2001 in 27 countries. The two main dimensions of kin contact are considered: (1) overall levels and (2) the relative emphasis given to contacts with primary kin (parents, adult children, siblings) and secondary kin (aunts, cousins, in-laws). Age-adjusted variations in kin contact between countries are much greater than those within countries. These results do not confirm the commonly hypothesized existence of well-defined family system boundaries in Europe arising from historical factors. The similarity of patterns of countries outside Europe with European countries with which they have historical ties suggests cultural factors are important in explaining interaction with kin, whereas welfare regimes appear to have little explanatory value. Within Europe, kin contact levels are more strongly related to a north/south divide than to indicators of economic development or religiosity. The findings suggest that neither of the extreme assumptions—homogenizing pressures toward a nuclear family model or persistent well-defined groupings arising from historical contexts—can be substantiated. Rather, there is a continuum in family behaviors over a substantial range, related to a number of explanatory factors. [34, no. 1 (Mar 08): 19–49 (offsite link*)
     
  • Childless or Childfree? Paths to Voluntary Childlessness in Italy / Maria Letizia Tanturri, Letizia Mencarini

    This article investigates childlessness in Italy. Trends in childlessness are presented and compared with trends elsewhere in Europe. Different paths to childlessness are outlined, using data from a survey carried out among childless women aged 40–44 in five Italian cities in 2002. Individual characteristics of the childless and reasons for childlessness are investigated. As many as one-third of the interviewees who live with a partner and do not suffer from any physical impediment are voluntarily childless. These women, in contrast to mothers, appear to be less religious and to have partners who are less religious; they tend to come from smaller families; to have been in a nonmarital cohabitation at least once in life; to have entered their first union later; and to have had, in the initial period of their union, temporary work and flexible work schedules and limited leisure time. In other cases, childlessness is the unintended outcome of a decision to delay having a child or the result of adverse external circumstances, particularly dissolution of partnership. [34, no. 1 (Mar 08): 51–77] (offsite link*)
     
  • The Contribution of Assisted Reproduction to Completed Fertility: An Analysis of Danish Data / Tomáš Sobotka, Martin A. Hansen, Tina Kold Jensen, Anette Tønnes Pedersen, Wolfgang Lutz, Niels Erik Skakkebæk

    Assisted reproduction has a minor but increasing influence on childbearing trends in advanced societies. In Denmark, the use of assisted reproduction technology (ART) has become particularly widespread. At the same time, Danish women born in the late 1950s and the 1960s experienced stabilization or even a slight increase in their mean number of children. Broad availability and widespread use of assisted reproduction may become important factors contributing to maintaining relatively high completed fertility among the younger cohorts of Danish women. To explore this idea, we analyze and project cohort trends in fertility rates among native Danish women born in 1960–78 and examine the likely contribution of assisted reproduction to these trends. The projected proportion of children born after ART treatment shows a substantial increase from 2.1 percent among women born in 1965 to 4–5 percent among women born in 1978, with an estimated net impact of ART (as compared with the hypothetical situation where no ART treatment was available) on the order of 3–4 percent. When intrauterine inseminations are included, this implies that up to 7 percent of children of those native Danish women born in 1975 and later will likely be conceived by infertility treatment. [34, no. 1 (Mar 08): 79–101] (offsite link*)

Notes and Commentary

  • Demography and Policy: A View from Outside the Discipline / Paul R. Ehrlich

    Scientists, individually and through their national academies, have often pointed to the major role of population growth in damaging humanity’s life-support systems, emphasizing the overriding need for population stabilization. Demography and its practitioners, however, in focusing on technical analyses of population change and its components, have largely neglected these critical issues. Where they have taken an interest in population–environment relationships, their voices have been little heard in public debate and have had scant political impact. Demographers should promote their expertise more aggressively, in particular through a new environmental demography, modeled perhaps on environmental economics. This should be a collaborative enterprise with ecologists and other environmental scientists, concerned with issues of carrying capacity, encouraging and planning for future population reduction, and researching population policies that are humane and accord due attention to environmental sustainability. [34, no. 1 (Mar 08): 103–113] (offsite link*)

Data and Perspectives

  • A Profile of the World’s Young Developing Country International Migrants / David J. McKenzie

    Individual-level census and household survey data are used to present a rich profile of young developing country international migrants around the world. They are found to comprise a large share of the flow of migrants, particularly among migrants to other developing countries, with the age distribution of migrants peaking in the late teens or early twenties. Detailed data are presented on the age and sex composition of migrants, on whether young migrants move alone or with a parent or spouse, on their participation in schooling and work in the destination country, on the types of jobs they have, and on the incidence and age of return migration. The results suggest a high degree of commonality in the youth immigrant experience across a number of destination countries. Recent developing country young migrants tend to work in similar occupations and are more concentrated in these occupations than recent older migrants or young immigrants who arrived at an earlier age. Nevertheless, there is also considerable heterogeneity among young immigrants with respect to school attendance and work in their destination country. The potential of international migration for building human capital is significant but far from being fully used. [34, no. 1 (Mar 08): 115–135] (offsite link*)
     
  • European Demographic Forecasts Have Not Become More Accurate Over the Past 25 Years / Nico Keilman

    Nowadays, demographers, population statisticians, and population forecasters have richer data, more refined theories of demographic behavior, and more sophisticated methods of analysis than they had two or three decades ago. This scientific progress should have made it easier to predict demographic behavior. But analyses of the errors in older forecasts show that demographic forecasts published by statistical agencies in 14 European countries have not become more accurate over the past 25 years. The findings demonstrate that scientific progress in population studies during the previous two to three decades has not kept up with the trend toward less predictable demographic behavior of populations in European countries. There is no reason to be more optimistic about US Census Bureau forecasts. Population forecasts are intrinsically uncertain, hence should be couched in probabilistic terms. [34, no. 1 (Mar 08): 137–153] (offsite link*)

Archives (offsite link*)

  • Ronald Freedman on American Population Growth: A View from 1957

    Half a century ago, in 1957, the American baby boom reached its peak. The period total fertility rate (TFR) had climbed to 3.76—a level wholly unexpected even in the immediate postwar years. In combination with the then prevailing pattern of early childbearing and already fairly low mortality, this yielded an intrinsic rate of natural increase slightly above 2 percent per year. Such a rate implied, even without immigration, a long-run population growth potential unprecedented in US history. How should this demographic upsurge be interpreted? And what was the likely future demographic course of the United States? These were questions of manifest public interest. From the vantage point of the crest of the baby boom, Ronald Freedman addressed them in an essay titled “The planned family and American population growth,” which appeared in the March 1957 issue of The Antioch Review. At the time Freedman was already a well-known social demographer, director of the first national fertility survey in the US (Growth of American Families); he was to become a leader in worldwide research on fertility and family planning. His 1957 essay is reproduced below in full. Written in nontechnical language but reflecting the best understanding of the factors underlying US fertility trends, Freedman’s commentary provides a compelling narrative for today’s readers.

    Freedman notes that in low-mortality conditions, like those in the United States, changes in the rate of growth of population result mainly from variations in the birth rate. Those variations reflect the choices families make about the number of children to have and the timing of those births over the reproductive life span. He links that freedom of choice to contraceptive practice: “The transition to planned families began in the last century with the diffusion of methods of birth control.” But the causal connection is left vague—it could also be argued that the diffusion of methods of birth control began with the transition to planned families; that it was the increasing use of contraception that “coincided” with a marked decline of the birth rate. Indeed, the dominant element of choice—as shaped by personal preferences and societal pressures—in setting the birth rate is suggested by the fact that the level of American fertility in the mid-1950s was nearly twice as high as the level prevailing in the Depression years. As Freedman remarks, “more widespread use of contraception does not necessarily mean a continuing trend to smaller families.” And birth rates may be expected to change “rather rapidly in response to economic and social conditions.” The 1950s did see the long-run trend to smaller families arrested and even reversed, but Freedman adds the crucial qualification: “at least temporarily.” Timing of births by families might mean that births could be “borrowed from the future.” (Freedman’s later espousal of family planning programs as a major device for reducing fertility, based on his survey research in Taiwan and other developing countries, tended to position him on one side of the controversy surrounding the efficacy of those programs; however, his view of fertility determinants left a large place for socioeconomic and cultural factors.)

    Changes in the birth rate, Freedman points out, give rise to “bulges” in the age structure. As the baby-boom cohorts age, these bulges will create “new problems (and opportunities)”—initially for schools, subsequently for the labor force. Changes in fertility differentials are another likely consequence of the planned family: as having children comes to resemble a costly form of consumption, fertility differentials, such as by income and social class, may be expected to diminish or even reverse. Such trends can be detected through social surveys (then still a novel research instrument) that inquire about the number of children families want or expect.

    The decades that followed brought demographic changes in the United States that were no less marked and often not better anticipated than was the baby boom itself. The population grew rapidly, from 170 million in 1957 to more than 300 million in 2007, but driven as much by improvements in mortality and by net immigration (factors not treated in Freedman’s essay) as by a high birth rate. Indeed, from the peak of the baby boom, birth rates declined sharply. By the 1970s, US fertility was appreciably below replacement and, despite a slow recovery afterward, remained there for three and a half decades. But with a TFR of 2.10, American fertility in 2006 once again attained, if only barely, replacement level.

    Fertility differentials did narrow in the past half century, as Freedman anticipated, but by no means disappeared. For example, TFRs in the US in 2006 for non-Hispanic whites and non-Hispanic blacks were, respectively, 1.86 and 2.11. In contrast, the 2006 TFR for the population of Hispanic origin was 2.96: Hispanics contributed almost one-quarter of that year’s US births. And while in the 1950s fertility could still be roughly equated with fertility of families, as was the case in Freedman’s essay, doing so half a century later became a poor approximation. Currently nearly two-fifths of American births are to unmarried women, a proportion four times as high as in 1957. And population growth by migration, still dwarfed by natural increase in the 1950s, came to rival the latter with annual net immigration of some 1.4 million versus less than 1.7 million in natural increase. As for the baby boom–generated population bulge, its effects are now increasingly seen in the absolute and relative numbers in the older age groups, decidedly more a problem than an opportunity. By 2025, all those born in the 1950s and earlier will be 65 or older. Over 2007–25 the US population aged 65 and older is projected to grow by 65 percent, from 37.7 million to 62.1 million; the rest of the population will grow by 8 percent.

    Ronald Freedman was born in Winnipeg, Canada, in 1917. In his long scientific career as founder of the Population Studies Center and as Distinguished Professor of Sociology at the University of Michigan, he helped to shape the field of demography by bringing a broad sociological perspective to the study of fertility and family planning. Ronald Freedman died 21 November 2007 in Ann Arbor, at the age of 90.

Book Reviews (offsite link*)

  • The Global Family Planning Revolution: Three Decades of Population Policies and Programs / Warren C. Robinson and John A. Ross (eds.)
    Reviewed by Gigi Santow
  • Transition and Challenge: China’s Population at the Beginning of the 21st Century / Zhongwei Zhao and Fei Guo (eds.)
    Reviewed by Susan Short
  • Between Sex and Power: Family in the World, 1900–2000 / Göran Therborn
    Reviewed by A. Dharmalingam
  • The Future of Marriage / David Blankenhorn
    Reviewed by Andrew Cherlin

Short Reviews (offsite link*)

  • Margins of Error: A Study of Reliability in Survey Measurement / Duane F. Alwin
  • New Developments in the Economics of Population Ageing / John Creedy and Ross Guest (eds.)
  • Surrogate Motherhood and the Politics of Reproduction / Susan Markens
  • Disciplining Statistics: Demography and Vital Statistics in France and England, 1830–1885 / Libby Schweber
  • Reproductive Health—The Missing Millennium Development Goal: Poverty, Health, and Development in a Changing World / Arlette Campbell White, Thomas W. Merrick, and Abdo S. Yazbeck
  • Transcending Boundaries: Zhejiangcun: The Story of a Migrant Village in Beijing / Xiang Biao

Documents (offsite link*)

  • The US Council of Economic Advisers on Health and the Demand for Health Care

    Average per capita spending on health care in the United States exceeded $7,000 in 2006, having grown almost threefold (in constant dollars) since 1980. Counted on the national level, some 16 percent of GDP was taken up by health care expenditures in 2006; in 1980 the corresponding percentage was 9.1. While this level of spending on health care is much higher than in other developed countries, dissatisfaction with the institutions and arrangements through which health care is financed is widespread. Some 16 percent of the American population lacks health insurance. Health care reform is proving to be a contentious issue in the run-up to the November election and is likely to be a prominent item on the agenda of the next president and Congress. The 2008 Annual Report of the US Council of Economic Advisers (a 354-page document, formally an Annex to the Economic Report of the President, Transmitted to the Congress February 2008 [Washington, DC: US Government Printing Office]) devotes Chapter 4 to the importance of health and health care, providing some pertinent background to the current discussions of needed reforms. An excerpt from this chapter, titled “Health and the demand for health care,” is reproduced below. It discusses the special nature of the demand for health care, enumerates the factors other than health care expenditures that determine health (or lack of it), notes the influences that affect health spending, and provides a brief look at trends in health insurance coverage. It also gives a summary account of trends in US life expectancy during the twentieth century, and highlights estimates of life-years gained in each decade following 1950 from reduced mortality from selected causes.

    Several factors, not least the clearly foreseeable trends of aging of the US population, make it virtually certain that the already high share of health care expenditures in the gross domestic product, and within it the share of federal expenditures on health care, will further increase, even under the assumption that provisions by current programs continue essentially at their present level. Sustaining the two major federal programs on health—Medicare and Medicaid, which provide support primarily to the rapidly growing old-age population—will necessitate some combination of major tax increases, acceptance of growing government debt, curtailment of non-health government expenditures, reduction of per capita health entitlements, or imposition of regulations on prices and on allowed health interventions, with possibly deleterious effects on the quality of health care provided. A report on the long-term federal budget outlook, issued in December 2007 by the Congressional Budget Office, illustrates the magnitude of the problem. Current (2007) federal spending on Medicare and Medicaid represents, respectively, 2.7 and 1.4 percent of GDP. CBO’s “extended baseline scenario,” adhering closely to current law, projects that the GDP-share of these expenditures will double by 2030, amounting to 5.6 percent and 2.5 percent, and will rise further by 2050 to 8.9 and 3.1 percent, respectively. (The 2050 combined expenditures on the two health programs would be roughly twice the projected outlay on Social Security.) Such forecasts are largely ignored in the current debates on health care reforms, even though they will impose severe constraints on proposed extensions of the government’s role in health care provision.
     
  • The World Health Organization on the Global Tobacco Epidemic

    Nearly one-third of adults in the world are smokers. Cigarette consumption per adult has been declining in the developed countries but is rising (from a lower level) in developing countries. Combined with population growth, what the World Health Organization calls “the global tobacco epidemic” is still expanding apace and is increasingly a developing-country phenomenon. Its health implications are dire. Tobacco use is recognized as a major risk factor in some cancers and in respiratory and cardiovascular disease—making it, according to the WHO, the leading preventable cause of death in the world. As of early 2008 152 countries were parties to WHO’s Framework Convention on Tobacco Control, committed to imposing limits on advertising, putting health warnings on cigarette packets, and protecting people against exposure to tobacco smoke. The dimensions of the problem, with elaborate citations of the latest medical and public health research, and outlines of a proposed six-pronged anti-tobacco program (denoted by the acronym MPOWER), are set out in WHO Report on the Global Tobacco Epidemic, 2008: The MPOWER Package, issued in February 2008. The initial section of this report, “The global tobacco crisis” (pp. 14–22), is reproduced below.

    The figures presented on tobacco-related fatalities—approaching one in ten deaths worldwide— are striking, even without the dramatizing device (used in Figure 1) of cumulating total deaths over the years. (For demographically attuned readers, the description is curiously devoid of denominators. Nor does it make use of the burden of disease concept popularized by WHO, which would quantify person-years lost by premature mortality.) For promoting its product in developing countries, especially to the young and to women, the tobacco industry as a whole is portrayed by the report as a “disease vector”; governments are also blamed, in more temperate language, for spending only a tiny proportion of tobacco tax revenues on preventive measures (though the taxes themselves are acknowledged to be a significant deterrent to smoking). The full report is available at http://www.who.int/tobacco/mpower/en/index.html.

* Journal subscribers will be able to access a PDF of the article online; nonsubscribers will be given access after paying a fee.



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17 March 2008